Home / 10,234.11-15,271.35-9,130.89

Finding the Fourth Proportional to 10,234.11, 15,271.35 and 9,130.89

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Solution

The fourth proportional to 10,234.11, 15,271.35 and 9,130.89 is: 13,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.11 : 15,271.35 = 9,130.89 : x
  2. Step 2: Convert to fraction form
    10,234.11/15,271.35 = 9,130.89/x
  3. Step 3: Cross multiply
    10,234.11x = 15,271.35 × 9,130.89
  4. Step 4: Simplify right side
    10,234.11x = 139,441,017.00
  5. Step 5: Solve for x
    x = 139,441,017.00/10,234.11
  6. Step 6: Final answer
    x = 13,625.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.